Please don't laugh...

right I have a base for my diorama. Want to add a bit of terrain.... one thing I have lots of in my house is play-doh (I have a 2 year old)

I know play doh turns rock solid once it's been left out of the tub, could I use this to create the mud/rocks? Do we think it would work would it paint ok?

No need to laugh Jack it would work.

Sounds OK to me. Once you've got the general shape you want, you could take a piece of broken brick and press it gently into the dough to create a stone texture.